ER

Edward C. Romanowski

📍 Chicago, IL: #5,168 of 13,327 inventorsTop 40%
🗺 Illinois: #34,584 of 84,256 inventorsTop 45%
Overall (All Time): #2,317,686 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D318141 Comb Ronald C. Owen 1991-07-09
4936259 Comb structure with rotatable teeth Ronald C. Owen 1990-06-26